WHAT DOES YEASTAR DUBAI, GSM GATEWAY, ANALOG VOIP GATEWAY, PBX, MODULE MEAN?

With a VoIP GSM/3G/4G Gateway, it is possible to appreciate the advantages of the cellular network, like mobility and coverage, even though continue to having the ability to make use of your existing cellular phone process. With its built-in GSM and VoIP technologies, this system can assist you minimize expenditures and increase performance. It su